def desired():
    desired_caps={}
    desired_caps['platformName']='Android'
    desired_caps['platformVersion']='5.1.1'
    desired_caps['deviceName']='127.0.0.1:21503'
    desired_caps['appPackage']='com.guokr.mentor'
    desired_caps['appActivity']='.activity.MainActivity'
    desired_caps['noReset']='true'
    return desired_caps